Sen. Jon Tester’s (D., Mont.) strategy for winning his uphill reelection campaign largely hinges on a single argument: That he, and not Republican businessman Tim Sheehy, represents the Montana values that are under threat by out-of-state interlopers. But to spread that message, Tester is relying on out-of-state donors who bought up property in Montana, a Washington Free Beacon review of campaign finance records found. Those records reveal that Tester has accepted tens of thousands of dollars